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Finding the Fourth Proportional to 565,404.78, 779,625.24 and 529,532.49

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Solution

The fourth proportional to 565,404.78, 779,625.24 and 529,532.49 is: 730,161.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,404.78 : 779,625.24 = 529,532.49 : x
  2. Step 2: Convert to fraction form
    565,404.78/779,625.24 = 529,532.49/x
  3. Step 3: Cross multiply
    565,404.78x = 779,625.24 × 529,532.49
  4. Step 4: Simplify right side
    565,404.78x = 412,836,894,604.05
  5. Step 5: Solve for x
    x = 412,836,894,604.05/565,404.78
  6. Step 6: Final answer
    x = 730,161.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.